package com.example.tests;

import static org.hamcrest.Matchers.*;
import static org.junit.Assert.assertThat;

import java.util.Random;

import org.testng.annotations.Test;

import com.example.utils.SortedListOf;

public class ContactModificationTest extends TestBase{
	
	@Test(dataProvider = "randomValidContactGenerator")
	   public void modifySomeContact(ContactData contact) throws Exception {
		   
		   // save old state
		   SortedListOf<ContactData> oldList = app.getContactHelper().getContacts();
			  
		   Random rnd = new Random();
		   int index = rnd.nextInt(oldList.size()-1); 
				   
		   // actions 
		   app.getContactHelper().modifyContact(index, contact);
		     
		   // save new state
		   SortedListOf<ContactData> newList = app.getContactHelper().getContacts();
		   // compare states
			
		   assertThat(newList, equalTo(oldList.without(index).withAdded(contact)));    

	   }

	}

